Home / 724,804.37-1,000,243.58-402,544.65

Finding the Fourth Proportional to 724,804.37, 1,000,243.58 and 402,544.65

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Solution

The fourth proportional to 724,804.37, 1,000,243.58 and 402,544.65 is: 555,519.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,804.37 : 1,000,243.58 = 402,544.65 : x
  2. Step 2: Convert to fraction form
    724,804.37/1,000,243.58 = 402,544.65/x
  3. Step 3: Cross multiply
    724,804.37x = 1,000,243.58 × 402,544.65
  4. Step 4: Simplify right side
    724,804.37x = 402,642,699,813.12
  5. Step 5: Solve for x
    x = 402,642,699,813.12/724,804.37
  6. Step 6: Final answer
    x = 555,519.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.